IS61C256AL-12TLI 

Symbol Micros: PSIS61C256AL-12TLI
Contractor Symbol:
Case : TSOP28
SRAM Chip Async Single 5V 256K-bit 32K x 8 12ns 28-Pin TSOP-I; Substitute: IS61C256AL-12TLI-TR;
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Parameters
Case: TSOP28
Supply voltage range: 4,5V ~ 5,5V
RAM memory: 256kB
Manufacturer: ISSI
Architecture: 32K x 8
Frequency: 83MHz
Operating temperature (range): -40°C ~ 85°C
Manufacturer:: Integrated Silicon Solution Inc. Manufacturer part number: IS61C256AL-12TLI Case style: TSOP28  
External warehouse:
675 pcs.
Quantity of pcs. 234+ (Need a significantly larger quantity? Ask for price).
Net price (EUR) 1,0040
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Packaging:
234
Delivery within 4-7 business days.
Minimum order amount
must exceed 20 Euro.
Case: TSOP28
Supply voltage range: 4,5V ~ 5,5V
RAM memory: 256kB
Manufacturer: ISSI
Architecture: 32K x 8
Frequency: 83MHz
Operating temperature (range): -40°C ~ 85°C